Top Tech Startups in Paris, France in 2026

C3.ai is a leading enterprise AI software provider for accelerating digital transformation. The proven C3 AI Suite provides the comprehensive services to build enterprise scale AI applications 40x to 100x faster than alternative approaches. The core of the C3 AI Suite is a revolutionary, extensible, model-driven abstraction layer that dramatically enhances data scientist and application developer productivity. The C3 AI Suite supports any value chain in any industry with pre-built, configurable, high-value AI applications for predictive maintenance, fraud detection, sensor network health, supply network optimization, energy management, anti-money laundering, and customer engagement. c3.ai

Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency, and drive revenue.

MongoDB is the leading modern, general purpose database platform, designed to unleash the power of software and data for developers and the applications they build. Headquartered in New York, MongoDB has more than 15,000 customers over 100 countries. The MongoDB database platform has been downloaded over 60 million times and there have been more than one million MongoDB University registrations.

LILT is a language translation services and technology company. We're building the next generation of localization, making it possible for every organization to communicate with their customers in the language of their choice through LILT's high-quality, scalable, and affordable translation services. We recruit the world's best human translators and equip them with our software, allowing them to translate better and faster than ever. By combining human expertise and machine efficiency in a complete enterprise localization solution, we can deliver technology-enabled translation services to our customers. Lilt is backed by some of the world's leading investors including Sequoia Capital, Intel Capital, and Redpoint. Our customers include some of the largest Fortune 500 companies in the world who rely on Lilt every day to provide more personal customer experiences in 300+ languages. Our team is headquartered in the Bay Area with additional hubs in Indianapolis, Washington DC, Berlin, Dublin, and the UK.

SimilarWeb is the pioneer of digital market intelligence, and the standard for understanding the digital world. Our platform provides customers with granular insights about every website and mobile app enabling visibility into digital behavior and letting businesses see what is actually happening with their competitors, their industry and throughout the digital world. We have thousands of paying customers worldwide and millions of users using our free platform every month. Our customers are some of the largest global brands in the world and including Walmart, AirBnb, adidas, DHL and eBay. SimilarWeb raised over $112 million and has over 400 employees in 8 offices around the world in NY, SF, London, Tel Aviv, Tokyo, Kiev, Paris, San Paulo. With the insights and the data we provide businesses, agencies, marketers and analysts can benchmark performance against competitors, reveal competitors online strategy, discover new opportunities, identify emerging trends and understand consumer

Softr is the easiest way to build custom apps and portals from Airtable, in minutes. #nocode required. With Softr, you can build client portals, internal tools, marketplaces, online communities, resource directories, websites and more. Our mission is to democratize the engineering genius. Start for free - softr.io

Payhawk is the leading global spend management solution for scaling businesses, present in more than 32 countries across two continents. Our customer-centric organisation and the product-oriented team have helped disrupt the expense management market, by combining company cards, expenses and invoice payments - enabling finance teams to control and automate company spending at scale. The Payhawk customer base includes fast-growing and mature multinational companies including LuxAir, Gtmhub, and Wagestream. With offices in New York, London, Berlin, Barcelona, Paris, Amsterdam and Sofia; Payhawk is backed by renowned investors such as Lightspeed Venture Partners, Greenoaks, QED Investors, Earlybird Digital East, and Eleven Ventures. Our values include supporting flat hierarchies, taking ownership and responsibility, seeking and providing feedback, managing constructive critique, and speaking our minds. We understand that the best ideas don’t all come from the same place, so we encourage diversity and inclusion in all areas of our work.

MOLTEN is a cloud platform that streamlines core operations of media and entertainment enterprises. MOLTEN digitizes and transforms rights, content, and licensing operations across enterprises, empowering teams with real-time insight and automation tools to do more, accelerating deal-making and content monetization worldwide. MOLTEN offers multiple integrated cloud-based services to power back-end operations for media and entertainment enterprises, which include content rights, storage, delivery and licensing management.

Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging™. Braze helps brands deliver great customer experiences that drive value both for consumers and for their businesses. Built on a foundation of composable intelligence, BrazeAI™ allows marketers to combine and activate AI agents, models, and features at every touchpoint throughout the Braze Customer Engagement Platform for smarter, faster, and more meaningful customer engagement. From cross-channel messaging and journey orchestration to Al-powered decisioning and optimization, Braze enables companies to turn action into interaction through autonomous, 1:1 personalized experiences. The company has been consistently recognized as a Leader in marketing technology by industry analysts, and was named a G2 “Best of Marketing and Digital Advertising Software Product” in 2026. Braze was also named a 2026 Best Places to Work by Built In, a 2025 America’s Greenest Companies by Newsweek, and a 2025 Fortune Best Workplace in Technology™ by Great Place To Work®. The company is headquartered in New York with 15 offices across the Americas, EMEA, and APAC. Learn more at braze.com.

We are improving the TV viewing experience, enabling content discovery, and addressing audience fragmentation across screens to strengthen television’s business model and relevance to consumers. Our data and measurement products are transforming the way today’s largest brands across the media landscape are thinking about their business. Given the dramatic growth in streaming services, connected devices, time-shifting, and multi-screen viewership, our data solves real problems and creates meaningful competitive advantage for our clients.